Overview
The STM32L072RZI6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It integrates the high-performance Arm Cortex-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed to provide high power efficiency and is equipped with a range of enhanced I/Os and peripherals. It features up to 192 Kbytes of Flash program memory, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM, along with a 20-byte backup register. The device supports multiple low-power modes and has a comprehensive set of power-saving features, making it ideal for applications requiring low energy consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M0+ |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Supply Voltage | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40 to +125 °C |
| Package | 64-UFBGA (5x5 mm) |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, high-speed internal 16 MHz RC, and more |
| Communication Interfaces | Up to three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART, and crystal-less USB 2.0 |
| Analog Peripherals | 12-bit ADC, two 12-bit DACs, two ultra-low-power comparators, and up to 24 capacitive sensing channels |
| Timers | Eleven timers including four 16-bit timers, one 16-bit ultra-low-power timer, one RTC, and two watchdogs |
Key Features
- Ultra-Low Power Consumption: The STM32L072RZI6 is designed with multiple low-power modes to minimize energy consumption, making it suitable for battery-powered devices.
- High-Performance Core: The Arm Cortex-M0+ core operates at up to 32 MHz and provides 0.95 DMIPS/MHz.
- Advanced Peripherals: Includes 12-bit ADC, two 12-bit DACs, two ultra-low-power comparators, and up to 24 capacitive sensing channels.
- Comprehensive Communication Interfaces: Supports up to three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART, and crystal-less USB 2.0.
- Security Features: Equipped with a built-in AES encryption engine for data security and a true RNG for secure key generation.
- Development Support: Includes serial wire debug support and a pre-programmed bootloader.
Applications
- IoT Devices: Ideal for Internet of Things applications due to its low power consumption and comprehensive set of peripherals.
- Industrial Automation: Suitable for industrial control systems, sensors, and actuators.
- Medical Devices: Can be used in medical devices that require low power and high reliability.
- Consumer Electronics: Applicable in various consumer electronics such as smart home devices, wearables, and handheld devices.
- Automotive Systems: Can be integrated into automotive systems for control and monitoring functions.
Q & A
- What is the core type of the STM32L072RZI6?
The core type is Arm Cortex-M0+.
- What is the maximum operating frequency of the STM32L072RZI6?
The maximum operating frequency is up to 32 MHz.
- How much Flash memory does the STM32L072RZI6 have?
The STM32L072RZI6 has up to 192 Kbytes of Flash memory with ECC.
- What is the supply voltage range for the STM32L072RZI6?
The supply voltage range is from 1.8 to 3.6 V (down to 1.65 V at power down).
- What are the key analog peripherals of the STM32L072RZI6?
The key analog peripherals include a 12-bit ADC, two 12-bit DACs, and two ultra-low-power comparators.
- Does the STM32L072RZI6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L072RZI6?
The device supports up to three I2Cs, two SPIs, one I2S, four USARTs, one low-power UART, and crystal-less USB 2.0.
- Is the STM32L072RZI6 secure?
Yes, it is equipped with a built-in AES encryption engine and a true RNG for secure key generation.
- What is the package type of the STM32L072RZI6?
The package type is 64-UFBGA (5x5 mm).
- What are the operating temperature ranges for the STM32L072RZI6?
The operating temperature range is from -40 to +125 °C.
